Out of the 240 students in a school, 20 are in class VII. Central angle of class VII (depicted in a pie chart) is .

25^{o}

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20^{o}

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30^{o}

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35^{o}

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Solution

The correct option is C $30^{o}$
Number of students in class VII = 20

Total number of students in school = 240

Here, 240 students represent the whole central angle i.e. $360^{o}$

Hence, central angle of the kids of class VII = $\frac{20}{240} \times 360^{o}$

= $30^{o}$

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Out of the 240 students in a school, 20 are in class VII. Central angle of class VII (depicted in a pie chart) is .

The correct option is C 30oNumber of students in class VII = 20 Total number of students in school = 240 Here, 240 students represent the whole central angle i.e. 360o Hence, central angle of the kids of class VII = 20240 × 360o = 30o

The correct option is C $30^{o}$
Number of students in class VII = 20

Total number of students in school = 240

Here, 240 students represent the whole central angle i.e. $360^{o}$

Hence, central angle of the kids of class VII = $\frac{20}{240} \times 360^{o}$

= $30^{o}$